Use Computer Software to Find the Multiple Regression Equation A)CO = 137=5

question 40

Multiple Choice

Use computer software to find the multiple regression equation. Can the equation be used for prediction? An anti-smoking group used data in the table to relate the carbon monoxide( CO) of various brands of cigarettes to their tar and nicotine (NIC) content.
$\begin{array} { c c c } \hline \mathbf { C O } & \text { TAR } & \text { NIC } \\\hline 15 & 1.2 & 16 \\15 & 1.2 & 16 \\17 & 1.0 & 16 \\6 & 0.8 & 9 \\1 & 0.1 & 1 \\8 & 0.8 & 8 \\10 & 0.8 & 10 \\17 & 1.0 & 16 \\15 & 1.2 & 15 \\11 & 0.7 & 9 \\18 & 1.4 & 18 \\16 & 1.0 & 15 \\10 & 0.8 & 9 \\7 & 0.5 & 5 \\18 & 1.1 & 16 \\\hline\end{array}$

• A)CO = 1.37=5.50TAR - 1.38NIC; Yes, becouse the P- is high
• B)CO = 1.37=5.53TAR - 1.3NIC; Yes, becouse the R² is high
• C)CO = 1.25=5.55TAR - 5.79NIC; Yes, becouse the P- value is too low/
• D)CO = 1.3=5.5TAR - 1.3NIC; Yes, becouse the adjust R² is high

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